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Specifications

 

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Physical Dimension

mm cm

Load

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LE 031B 02 S316

Cost
$0.00
$0.00
Price
$0.00
Weight
0.00 lb.
Direction of Wind
Factory Option
Ends
Standard Loops
Finish
Ultrasonically Passivate with Citric Acid for 10 mins At 131 Deg F
Material
Stainless Steel Type 316
Total Coils
26.500
Published Stock Code
LE031B02S316
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
1.97
Rate (kg/cm)
2.01
Rate (lb/in)
11.25
Rate (gm/mm)
200.90
Weight per Item (lb)
0.00
Material Specification
ASTM A313
Free Length (cm)
2.858
Free Length (inch)
1.125
Free Length (mm)
28.580
Free Length - Build Spec (in)
1.13
Free Length Tolerance (cm)
0.09
Free Length Tolerance (in)
0.04
Free Length Tolerance (mm)
0.89
Free Length Tolerance - Build Spec (in)
0.04
Inside Diameter (cm)
0.32
Inside Diameter (in)
0.13
Inside Diameter (mm)
3.20
Outside Diameter (cm)
0.478
Outside Diameter (in)
0.19
Outside Diameter (mm)
4.78
Outside Diameter - Build Spec (in)
0.19
Outside Diameter Tolerance (cm)
0.01
Outside Diameter Tolerance (in)
0.01
Outside Diameter Tolerance (mm)
0.13
Outside Diameter Tolerance - Build Spec (in)
0.01
Rate (gm/cm)
2009.00
Rate (kg/mm)
0.20
Rate (N/cm)
19.70
Rate - Build Spec (lb/in)
11.25
Rate Tolerance (gm/cm)
200.90
Rate Tolerance (gm/mm)
20.09
Rate Tolerance (kg/cm)
0.20
Rate Tolerance (kg/mm)
0.02
Rate Tolerance (lb/in)
1.13
Rate Tolerance (N/cm)
1.97
Rate Tolerance (N/mm)
0.20
Rate Tolerance - Build Spec (lb/in)
1.13
Total Coils - Build Spec
26.52
Wire Diameter (cm)
0.08
Wire Diameter (inch)
0.03
Wire Diameter (mm)
0.79
Wire Diameter - Build Spec (in)
0.03
Material Short Description
SS 316
Product Series
Standard Extension Series (inch)
Inside Diameter Tolerance (cm)
Reference
Inside Diameter Tolerance (in)
Reference
Inside Diameter Tolerance (mm)
Reference
Initial Tension - Build Spec. (lb)
0.71
Initial Tension (lb)
0.71
Initial Tension (N)
3.15
Initial Tension (kg)
0.32
Initial Tension (gm)
321.10
Initial Tension Tolerance - Build Spec. (lb)
0.14
Initial Tension Tolerance (lb)
0.14
Initial Tension Tolerance (N)
0.63
Initial Tension Tolerance (kg)
0.06
Initial Tension Tolerance (gm)
64.23
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
4.37
Max Load (lb)
4.37
Max Load (kg)
1.98
Max Load (gm)
1983.60
Max Extended Length - Build Spec. (in)
1.45
Max Extended Length (in)
1.45
Max Extended Length (mm)
36.83
Max Extended Length (cm)
3.68
Body Length - Build Spec. (in)
0.87
Body Length (in)
0.87
Body Length (mm)
22.17
Body Length (cm)
2.22
Loop Inside Diameter - Build Spec. (in)
0.13
Loop Inside Diameter (in)
0.13
Loop Inside Diameter (mm)
3.20
Loop Inside Diameter (cm)
0.32
Loop Position
Random
Loop Opening - Build Spec. (in)
0.03
Loop Opening (in)
0.03
Loop Opening (mm)
0.79
Loop Opening (cm)
0.08
Max Load (N)
19.45
Inside Diameter - Build Spec (in)
0.13
Model Code
LE

Extension Spring: OD 0.188 in, FL 1.125 in, Stainless Steel Type 316

Standard Extension Series (inch)

Selection to Match Your Needs

Lee Spring LE 031B 02 S316 is a precision extension spring from the Standard Extension Series (inch), engineered for applications requiring reliable quality extension springs. This spring features a 0.188-inch outside diameter (4.78 mm) with 0.126-inch loop inside diameter (3.2 mm) and extends from a free length of 1.125 inch (28.58 mm) to a maximum extended length of 1.45 inch (36.83 mm). Made from Stainless Steel Type 316 with a 0.031-inch wire diameter (0.79 mm), the spring delivers a spring rate of 11.25 lb/inch (1.97 N/mm) through its 26.5 total coils with an initial tension of 0.708 lb (3.149 N). The spring supports a maximum load of 4.373 lb (19.452 N) at full extension with a body length of 0.873 inch (22.17 mm). The spring features Random loop position and Ultrasonically Passivate with Citric Acid for 10 mins At 131 Deg F finish for optimal performance.

Extension Springs: Standard Series

The Lee Spring Standard Extension Spring Series includes a wide range of size and rate combinations and in both inch and metric sizes. Standard Series springs are available in Music Wire, Type 302 Stainless Steel and Type 316 Stainless Steel. Metric Series springs are available in Music Wire and Type 302 Stainless Steel. The Music Wire springs are provided with a plating finish for light corrosion resistance. The Type 302 Stainless Steel springs are passivated, while Type 316 Stainless Steel springs are passivated and ultrasonically cleaned.

Lee Spring's Stock Extension Springs are supplied with full diameter loops (either to machine or crossover center style) at a random position with the exception of Metric Extension Springs which are specified to meet DIN Standards. Loop openings are approximately one wire diameter and the direction of wind is factory optional.

Standard Extension Series (inch) Extension Springs have useful applications in various industries, including:

  • Medical devices
  • Firearms
  • Pharmaceutical delivery devices
  • Lighting and electrical control
  • Petro-chemical processes
  • Communication devices
  • Aerospace
  • Testing and measurement equipment
  • Marine applications
  • Automotive
  • Locks and security devices
  • Precision Instruments
  • Hardware

...and many more applications

245051
Product Extension OD 0.188 in, Length 1.125 in, Stainless Steel Type 316
Product Extension OD 4.78 mm, Length 28.58 mm, Stainless Steel Type 316
Part Number LE 031B 02 S316
Series Standard Extension Series (inch)
Outside Diameter (inch) 0.188
Outside Diameter (cm) 0.478
Outside Diameter (mm) 4.78
Wire Diameter (inch) 0.031
Wire Diameter (cm) 0.079
Wire Diameter (mm) 0.79
Max Load (gm) 1983.6
Max Load (lb) 4.373
Max Load (kg) 1.9836
Max Load (N) 19.452
Rate (gm/cm) 2009
Rate (gm/mm) 200.9
Rate (kg/cm) 2.009
Rate (kg/mm) 0.2009
Rate (lb/in) 11.25
Rate (N/cm) 19.7
Rate (N/mm) 1.97
Max Extended Length (cm) 3.683
Max Extended Length (in) 1.45
Max Extended Length (mm) 36.83
Initial Tension (gm) 321.1
Initial Tension (kg): 0.3211
Initial Tension (lb) 0.708
Initial Tension (N) 3.149
Free Length (cm) 2.858
Free Length (inch) 1.125
Free Length (mm) 28.58
Material Stainless Steel Type 316
Loop Inside Diameter (cm) 0.32
Loop Inside Diameter (in) 0.126
Loop Inside Diameter (mm) 3.2
Ends Standard Loops
Loop Position Random
Direction of Wind Factory Option
Finish Ultrasonically Passivate with Citric Acid for 10 mins At 131 Deg F
0.031 0.188 0.005 1.125 0.035 26.5 0.708 0.1416 11.25 1.125 1.45 4.373 0.031 0.873 Random 0.188 0.005 1.125 0.035 26.5 0.708 0.1416 11.25 1.125 1.45 4.373
Default View
Side view
Top view
Quantity Price
1 - 19 $13.010
20 - 49 $8.080
50 - 99 $4.600
100 - 199 $3.020
200 - 299 $2.589
300 - 399 $2.429
400 - 499 $2.108
500 - 599 $1.867
600 - 699 $1.676
700 - 799 $1.527
800 - 899 $1.402
900 - 999 $1.298
1000 $1.212

Why Choose Lee Spring?

FREE Standard Ground Shipping

on Stock Springs in the Continental United States

FREE Plating

on all Music Wire Stock Springs

FREE Grinding

on all Standard Stock Compression Springs

Expert Engineering Assistance

on Stock and Custom Springs

Certificate of Compliance

on all Stock Springs and Custom Springs

Guaranteed RoHS Compliance

on all Stock Springs

Live Customer Service Support

at all Locations

Enhanced CAD Downloads

on Stock Springs Designs

Global Flexibility

allows Lee Spring to find solutions that meet your
geographic requirements wherever your business
takes you in the world